Ripple XML drawable background

// WITH SHAPE RECTANGLE

// drawable-v21/bg_rectangle_green.xml

<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
        android:color="@color/white">
    <item>
        <shape android:shape="rectangle">
            <solid android:color="@color/green"/>
        </shape>
    </item>
</ripple>

// drawable/bg_rectangle_green.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true">
        <shape android:shape="rectangle">
            <solid android:color="@color/green_pressed"/>
        </shape>
    </item>
    <item>
        <shape android:shape="rectangle">
            <solid android:color="@color/green"/>
        </shape>
    </item>
</selector>

// WITH*OUT* SHAPE RECTANGLE

// drawable-v21/bg_green.xml

<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
        android:color="@color/white">
    <item>
        <color android:color="@color/green"/>
    </item>
</ripple>

// drawable/bg_green.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true">
        <color android:color="@color/green_pressed"/>
    </item>
    <item>
        <color android:color="@color/green"/>
    </item>
</selector>